Home / 6,005.80-8,290.02-3,488.68

Finding the Fourth Proportional to 6,005.80, 8,290.02 and 3,488.68

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Solution

The fourth proportional to 6,005.80, 8,290.02 and 3,488.68 is: 4,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.80 : 8,290.02 = 3,488.68 : x
  2. Step 2: Convert to fraction form
    6,005.80/8,290.02 = 3,488.68/x
  3. Step 3: Cross multiply
    6,005.80x = 8,290.02 × 3,488.68
  4. Step 4: Simplify right side
    6,005.80x = 28,921,226.97
  5. Step 5: Solve for x
    x = 28,921,226.97/6,005.80
  6. Step 6: Final answer
    x = 4,815.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.